| API | Active pharmaceutical ingredients |
| CPR | Collective producer responsibility |
| CSO | Combined Sewer Overflow |
| DEA | US Drug Enforcement Administration |
| EPR | Extended Producer Responsibility |
| FDA | US Food and Drug Administration |
| HPSA | Health Products Stewardship Association Canada |
| IPR | Individual Producer Responsibility |
| MSW | Municipal Solid Waste |
| NatRUM | Australian National Return of Unused Medicines scheme |
| OTC | Over-the-counter drugs |
| PANS | Pharmacy Association of Nova Scotia |
| PRO | Producer Responsibility Organization |
| SAMHSA | US Substance Abuse and Mental Health Services Administration |
| UBA | Umweltbundesamt (German Environment Agency) |
| UEM | Unused or expired medicines |
| USD | US Dollar |
| WWTP | Wastewater treatment plants |
Management of Pharmaceutical Household Waste
Limiting Environmental Impacts of Unused or Expired Medicine
